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Feb 9th, 2016
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  1. void pierwiastek()
  2. {
  3. double p[P] = { 0 };
  4. double q[P] = { 0 };
  5. int j = 0;
  6.  
  7. for (int i = 0; i < abs(wsp[N - 1]); i++)
  8. {
  9. if (wsp[N - 1] % i == 0)
  10. {
  11. p[j] = i;
  12. j++;
  13. }
  14. }
  15.  
  16. int k = 0;
  17.  
  18. for (int i = 0; i < abs(wsp[0]); i++)
  19. {
  20. if (wsp[0] % i == 0)
  21. {
  22. q[k] = i;
  23. k++;
  24. }
  25. }
  26.  
  27. double t[N][N];
  28.  
  29. for (int i = 0; i < j; i++)
  30. for (int r = 0; r < k; i++)
  31. t[i][r] = (double) p[i] / q[r];
  32.  
  33. for (int i = 0; i < j; j++)
  34. for (int r = 0; r < k; r++)
  35. {
  36. if (Horner(t[i][r]) == 0.0)
  37. cout << t[i][r] << " jest pierwiastkiem." << endl;
  38. if (Horner(-t[i][r]) == 0.0)
  39. cout << -t[i][r] << " jest pierwiastkiem." << endl;
  40. }
  41.  
  42.  
  43. }
  44.  
  45. double Horner(double x)
  46. {
  47. double res = 0;
  48. for (int i = 0; i < N; i++)
  49. {
  50. res = res*x + wsp[i];
  51. }
  52.  
  53. return res;
  54. }
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